Year	% of GDP
1975	30.08881030168749
1976	28.37974421423558
1977	25.951522594751918
1978	26.473668235364805
1979	26.663272028150875
1980	30.54412290483534
1981	31.169412748640468
1982	29.762242578668914
1983	30.31363331510989
1984	32.80564823491834
1985	32.116032971942246
1986	26.927360732474188
1987	26.84350124202198
1988	26.28331615186103
1989	27.1176038810219
1990	26.784314048269536
1991	25.47755446673532
1992	24.90797500539415
1993	24.91440145447231
1994	25.832176815109325
1995	27.575653527516327
1996	29.507714800828982
1997	31.19921217239911
1998	28.005026561719713
1999	30.10056811883474
2000	36.632823349330664
2001	36.49996039595255
2002	32.882494621277544
2003	31.745470637861928
2004	34.25594911871671
2005	39.0823031946693
2006	40.56100756142078
2007	39.851251742251684
2008	42.22535067134973
2009	35.8380434816754
2010	36.95446830342632
2011	38.97989592742146
2012	39.472869013280985
2013	38.63173464577395
2014	39.136102828218945
2015	36.00047210300163
2016	32.95305123821246
2017	33.86108468258697
2018	36.691183623730524
2019	33.41545381146941
2020	32.436268017067384
2021	39.97942201109817
2022	51.87600839375569
2023	43.1257494925187